STK11C68-SF25I Cypress Semiconductor Corp, STK11C68-SF25I Datasheet - Page 11

• Manufacturer Part Number: STK11C68-SF25I
• Description: STK11C68-SF25I
• Manufacturer: Cypress Semiconductor Corp

Specifications of STK11C68-SF25I

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 64K (8K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (8.69mm width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Software Controlled STORE/RECALL Cycle
The software controlled STORE/RECALL cycle follows.
Switching Waveform
Notes
Document Number: 001-50638 Rev. *A
t
t
t
t
t
10. The software sequence is clocked on the falling edge of CE without involving OE (double clocking aborts the sequence).
11. The six consecutive addresses must be read in the order listed in
RC
SA
CW
HACE
RECALL
Parameter
[10]
[10]
ADDRESS
DQ (DATA)
[10]
[10]
CE
OE
t
t
t
t
AVAV
AVEL
ELEH
ELAX
Alt
t
SA
A
STORE/RECALL Initiation Cycle Time
Address Setup Time
Clock Pulse Width
Address Hold Time
RECALL Duration
D
DATA VALID
D
Figure 10. CE Controlled Software STORE/RECALL Cycle
R
t
t
SCE
RC
E
S
t
HACE
S
#
1
Description
Table 1
[10, 11]
on page 5. WE must be HIGH during all six consecutive cycles.
Min
25
20
20
0
A
D
25 ns
D
t
R
RC
E
S
Max
DATA VALID
20
S
#
6
Min
35
25
20
t
0
STORE
[11]
35 ns
HIGH IMPEDANCE
/ t
Max
20
RECALL
Min
45
30
20
0
45 ns
STK11C68
Page 11 of 17
Max
20
Unit
ns
ns
ns
ns
μs
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